Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L8987

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Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360302

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Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 58x, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L8983

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HD IN-FRAME KITS

Part Number: CLE-45955231STD

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Estimated Ship Date: Apr 27, 2026 if ordered today

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KIT-SBC 383 3.750/4.040

Part Number: MAN-290940

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KIT-LS 402 4.000/4.005 18cc DI

Part Number: MAN-28402R

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ROTATING ASSEMBLY LS 402 DISH

Part Number: MAN-28402

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Estimated Ship Date: Apr 28, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4895030STD

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Heavy Duty In-Frame Kit

Part Number: CLE-4595543STD

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HD IN-FRAME KIT

Part Number: CLE-4595513STD

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HD IN-FRAME KIT

Part Number: CLE-4595525STD

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HD IN-FRAME KIT

Part Number: CLE-4595529STD

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HD IN-FRAME KIT

Part Number: CLE-4595521STD

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HD IN-FRAME KIT

Part Number: CLE-4805027STD

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ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516RH

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Estimated Ship Date: Apr 30, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516R

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ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516RHX

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030R

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030H

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HD IN-FRAME KIT

Part Number: CLE-4865048STD

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HD IN-FRAME KIT

Part Number: CLE-4565007STD

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HD IN-FRAME KIT

Part Number: CLE-4595516STD

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HD IN-FRAME KIT

Part Number: CLE-4895016STD

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HD IN-FRAME KIT

Part Number: CLE-4565046STD

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4.000" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", no reluctor

Part Number: ESP-334540016100

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Estimated Ship Date: May 8, 2026 if ordered today

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